AWS Lambda MicroVMs vs Vercel Sandbox

AWS Lambda MicroVMs costs $0.0997 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. AWS Lambda MicroVMs runs Firecracker microVMs and limits a session to 8 hours. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated Oct 14, 2026

AWS Lambda MicroVMs

Serverless microVMs on AWS that suspend when idle.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: 8 hours

Visit site AWS Lambda MicroVMs profile

Vercel Sandbox

Isolated Linux microVMs for running untrusted code.

Isolation: Firecracker microVM
Free tier: 5 CPU-hours every month
Max session: 24 hours

Visit site Vercel Sandbox profile

What is different

7 fields differ. The rest are the same or not listed.

Field

AWS Lambda MicroVMs

Vercel Sandbox

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Vercel Sandbox: $0.128
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Vercel Sandbox: $0.0212
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Billing: AWS Lambda MicroVMs: Per second; Vercel Sandbox: Active CPU time only
Max session: AWS Lambda MicroVMs: 8 hours; Vercel Sandbox: 24 hours
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Vercel Sandbox: 8 vCPU · 16 GiB
SDKs: AWS Lambda MicroVMs: Python, JavaScript; Vercel Sandbox: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

AWS Lambda MicroVMsaws.amazon.com/lambda/pricingaws.amazon.com

Vercel Sandboxvercel.com/docs/sandbox/pricingvercel.com

Pricing

vCPU, per hour: AWS Lambda MicroVMs: $0.0997; Vercel Sandbox: $0.128
RAM, per GiB-hour: AWS Lambda MicroVMs: $0.0132; Vercel Sandbox: $0.0212
Storage: AWS Lambda MicroVMs: Snapshot storage $0.08 per GB-month (US East). Snapshot reads and writes are billed per GB.; Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: 5 CPU-hours every month
Paid plan from: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: $20 / month
Billing: AWS Lambda MicroVMs: Per second; Vercel Sandbox: Active CPU time only

Limits

Max session: AWS Lambda MicroVMs: 8 hours; Vercel Sandbox: 24 hours
Idle stop: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Not listed
Largest sandbox: AWS Lambda MicroVMs: 4 vCPU · 8 GiB; Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Up to 10,000

Platform

Isolation: AWS Lambda MicroVMs: Firecracker microVM; Vercel Sandbox: Firecracker microVM
GPU: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Not listed
Snapshots: AWS Lambda MicroVMs:; Vercel Sandbox:
Pause and resume: AWS Lambda MicroVMs:; Vercel Sandbox:

Developer

SDKs: AWS Lambda MicroVMs: Python, JavaScript; Vercel Sandbox: Python, JavaScript / TypeScript
Integrations: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

License: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Not listed
BYOC: AWS Lambda MicroVMs: Not listed; Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

AWS Lambda MicroVMs

Vercel Sandbox

1 vCPU · 2 GiB: AWS Lambda MicroVMs: $0.126; Vercel Sandbox: $0.170
2 vCPU · 4 GiB: AWS Lambda MicroVMs: $0.252; Vercel Sandbox: $0.341
4 vCPU · 8 GiB: AWS Lambda MicroVMs: $0.504; Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

AWS Lambda MicroVMs fits when

You want the lower list price: $0.252 against $0.341 an hour for 2 vCPU and 4 GiB.

Vercel Sandbox fits when

A session must run longer than 8 hours.
You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
Your code waits a lot: CPU is billed only while it is in use.
You need a sandbox larger than 4 vCPU · 8 GiB.

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AWS Lambda MicroVMs

Vercel Sandbox

What is different

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Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

AWS Lambda MicroVMs fits when

Vercel Sandbox fits when

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